﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;


namespace DAO
{
    public static class SachDAO
    {
        public static DataTable LayDSSach()
        {
            DataTable dt = new DataTable();
            string str = "";
            str = "Select * from Sach";
            dt = DataProvider.ExecQuery(str);
            return dt;

        }
    }
}
